Home / 103,349.04-154,992.75-40,178.97

Finding the Fourth Proportional to 103,349.04, 154,992.75 and 40,178.97

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Solution

The fourth proportional to 103,349.04, 154,992.75 and 40,178.97 is: 60,256.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,349.04 : 154,992.75 = 40,178.97 : x
  2. Step 2: Convert to fraction form
    103,349.04/154,992.75 = 40,178.97/x
  3. Step 3: Cross multiply
    103,349.04x = 154,992.75 × 40,178.97
  4. Step 4: Simplify right side
    103,349.04x = 6,227,449,052.47
  5. Step 5: Solve for x
    x = 6,227,449,052.47/103,349.04
  6. Step 6: Final answer
    x = 60,256.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.